@article {3055,
	title = {Synthetic hexaploids from wild species related to sweet potato},
	journal = {Japanese Journal of Breeding},
	volume = {37},
	number = {4},
	year = {1987},
	note = {Reprints S-1},
	pages = {367-376},
	keywords = {purportedly polyploid of Ipomoea trifida},
	author = {Shiotani, Itaru and Kawase, Tsuneo}
}
